bio test castle learning 2

the sequence can be completed correctly by inserting

"cells-" between organelles and tissues

Within which structure shown in the diagram below are energy-rich organic compounds used to produce ATP?

1

which cell structure contains information needed for protein synthesis

1

which row in the chart below best explains the movement of some molecules between the model cell and the solution in the beaker?

1 from high to low concentration without using cellular energy

which row in the chart below best describes the active transport of molecule X through a cell membrane?

3

which beaker correctly shows the expected locations of the molecules after a period of one hour?

4

Which statement concerning ATP and activity within the cell is correct?

ATP is produced most efficiently by structure C

In the cell show below, which lettered structure is responsible for the extraction of most cellular waste.

B

which letter indicates a cell structure that directly controls the movement of molecules into and out of the cell?

B

which suspension would contain red blood cells that would appear wrinkled and reduced in volume?

B

which structure allows the passage of this oxygen to the environment

B- cell membrane

Which statement best describes the cells in the diagram

Both cell A and cell B use energy released from ATP.

which statement best descries the plasma membrane of a living plants cell?

It selectively regulates the passage of substances into and out of the cell.

Which statement could describe molecules A and B?

Molecules A is a simple sugar, and molecule B is a starch

Which statement best describes the organelles in a cell?

Organelles must work together and their activities must be coordinated.

Cell membranes are said to be selectively permeable. Which statement best explains what selectively permeable means?

The cell membrane lets certain substances enter the cell and keeps certain substances out of the cell.

the largest amount of DNA in a plant cell is contained in

a nucleus

Which set of functions is directly controlled by the cell membrane?

active transport, recognition of chemical messages, protection

what is the basic unit of structure and function in all living things

cell

damage to which structure will most directly disrupt water balance within a single-celled organism?

cell membrane

in the human body, oxygen is absorbed by the lungs and nutrients are absorbed by he small intestine. In a single-celled organism, this absorption directly involves the

cell membrane

Label the location of each of the cell structures listed: cell wall cytoplasm cell membrane

cell wall: 2 cytoplasm:1 cell membrane: 3

which process takes place in structure A?

cellular respiration

single-celled organisms are able to maintain internal stability because they

contain structures that perform life functions

muscle cells in athletes often have more mitochondria than the muscle cells in non athletes. based on this observation it can be inferred that the muscle cells in athletes

have a greater demand for energy that the muscle cells of nonathletes

Which statement is correct concerning the structure labeled a?

it aids in the removal of metabolic wastes in both cell X and cell Y

While viewing a slide of rapidly moving sperm cells, a student concludes that these cells require a large amount of energy to maintain their activity. The organelles that most directly provide this energy are known as

mitochondria

An organelle that releases energy for metabolic activity in a nerve cell is the

mitochondrion

which factor prevented the protein molecules from moving out of the cell?

molecule size

Which statement best explains the changes shown?

molecules moved across the membrane without additional energy being supplied.

the change in appearance of the cell resulted from

more water moving out of the cell that into the cell

a student observes that an organism is green. A valid conclusion that can be dawn from this observation is that

not enough information is given to determine whether the organism is a plant or an animal

which structure in a stained cheek cell would most likely be visible when viewed through the high-power objective of a compound light microscope?

nucleolus

which sequence represents the levels of biological organization from smallest to largest?

organelle-cell-tissue-organ system- organism

homeostasis in unicellular organisms depends on the proper functioning of

organelles

in a multi cellular organism, organs carry out a variety of life functions. In a single-celled organism, these functions are performed by

organelles

which structures carry out life functions withing cells?

organelles

Humans require organ systems to carry out life processes. Single-celled organisms do not have organ systems and yet they are able to carry out life processes. This is because

organelles present in single celled organisms act in a manner similar to organ systems

which sequence shows a decreasing level of complexity?

organism-organs-tissues-cells

which cell structure is represented by the three-dimensional diagram?

plasma membrane

The ability of certain hormones to attach to a cell is primarily determined by the

receptor molecules in the cell membrane

a function of cell membranes in humans is the

recognition of certain chemicals

certain poisons are toxic to organisms because they interfere with the function of enzymes in mitochondria. This results directly in the inability of the cell to

release energy from nutrients

studies of fat cells and thyroid cells show that fat cells have fewer mitochondria that thyroid cells. A biologist would most likely infer that fat tissue

requires less energy that thyroid tissue

which cell structure is correctly paired with its primary function?

ribosome- protein sythesis

a pesticide that kills an insect by interfering with the production of proteins in the insect would most directly affect the activity of

ribosomes

what is the main function of a vacuole in a cell?

storage

the function of a cell depends primarily on its

structure

Which statement regarding the function of the cell membrane of all organisms is not correct?

the cell membrane forms a barrier that keeps all substances that might harm the cell from entering the cell.

if the ribosomes of a cell were destroyed, what effect would this most likely have on the cells?

the cell would be unable to synthesize proteins.

based on the distribution of these molecules, what would most likely happen after a period of time?

the concentration of 02 will increase the cell

which observation would most likely be made 24 hours later?

the diameter of the model cell has increased

which cell structures are correctly paired with their functions?

the ribosomes make proteins, and the nucleus stores genetic information

These groups of cells represent different

tissues in which similar cells function together

The diagram represents a white blood cell engulfing some bacteria. The stricture labeled X is most likely a

vacuole

the change in red blood cell volume is principally due movement of

water

which substance can enter a cell by diffusion without having to be digested?

water

The death of the plants was most likely due to

water moving out of plant cells into the surrounding enivronment

The process of osmosis would explain the net movement of water into a cell if the percentage of

water was 90% inside the cell and 95% outside the cell

if frogs eggs taken from a freshwater pound are placed in a saltwater aquarium, what will most likely happen?

water will leave the eggs